import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

export const constantRoutes = [{
  path: '/redirect',
  component: Layout,
  hidden: true,
  children: [{
    path: '/redirect/:path(.*)',
    component: () => import('@/views/redirect/index')
  }]
},
{
  path: '/login',
  component: () => import('@/views/login/index'),
  hidden: true
},
{
  path: '/auth-redirect',
  component: () => import('@/views/login/auth-redirect'),
  hidden: true
},
{
  path: '/404',
  component: () => import('@/views/error-page/404'),
  hidden: true
},
{
  path: '/401',
  component: () => import('@/views/error-page/401'),
  hidden: true
},
{
  path: '/',
  component: Layout,
  redirect: '/dashboard',
  children: [{
    path: 'dashboard',
    component: () => import('@/views/dashboard/index'),
    name: 'Dashboard',
    // meta: { title: 'Dashboard', icon: 'dashboard', affix: true }
    meta: {
      title: '首页',
      icon: 'dashboard',
      affix: true
    }
  }]
}
]

export const asyncRoutes = [{
  path: '/book',
  component: Layout,
  redirect: '/book/create',
  name: 'book',
  meta: {
    title: '图书管理',
    icon: 'documentation',
    roles: ['admin']
  },
  children: [{
    path: '/book/create',
    name: 'bookCreate',
    component: () => import('@/views/book/create.vue'),
    meta: {
      title: '上传图书',
      icon: 'edit',
      roles: ['admin']
    }
  }, {
    path: '/book/edit/:fileName',
    name: 'bookEdit',
    component: () => import('@/views/book/edit.vue'),
    hidden: true,
    meta: {
      title: '图书列表',
      icon: 'edit',
      roles: ['admin'],
      activeMenu: '/book/list'
    }
  }, {
    path: '/book/list',
    name: 'bookList',
    component: () => import('@/views/book/list.vue'),
    meta: {
      title: '图书列表',
      icon: 'list',
      roles: ['editor']
    }
  }]
}, {
  path: '/error',
  component: Layout,
  redirect: 'noRedirect',
  name: 'ErrorPages',
  meta: {
    title: 'Error Pages',
    icon: '404'
  },
  children: [{
    path: '401',
    component: () => import('@/views/error-page/401'),
    name: 'Page401',
    meta: {
      title: '401',
      noCache: true
    }
  },
  {
    path: '404',
    component: () => import('@/views/error-page/404'),
    name: 'Page404',
    meta: {
      title: '404',
      noCache: true
    }
  }
  ]
},
{
  path: '*',
  redirect: '/404',
  hidden: true
}
]

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({
    y: 0
  }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
